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NASA astronaut returns from year in space
NASA's Scott Kelly and cosmonauts Sergey Volkov and Mikhail Kornienko landed safely in Kazakhstan on March 2. The landing wraps up Kelly's one-year mission aboard the ISS.
March 2, 2016
Bacteria from Sahara on Swiss glaciers
Bacteria living among dust particles from the African Sahara Desert have been found trapped in ice and snow high on the Swiss Alps.
March 2, 2016
False positives in search for living worlds
As the search for habitable exoworlds heats up, scientists will want to know: Is it life, or merely the illusion of life?
March 2, 2016
Why space bodies come in different sizes
Objects in space aren't the same size, but why not? A scientist used a theory he formulated earlier - to explain patterns in nature on Earth - to suggest a reason.
March 1, 2016
Biggest ever US methane leak from California blowout
The Aliso Canyon leak, finally plugged on February 11, vented 100,000 tons of methane into the atmosphere - a climate impact equivalent to the annual emissions of half a million cars, say scientists.
March 1, 2016
Cockroach egg impressions from 4,300 years ago
More information about early human settlements - and in this case the insects who lived alongside them - is being found in ancient bits of broken pottery.
March 1, 2016
Simplified calendar and no time zones?
In the Hanke-Henry Permanent Calendar, there are no leap years and Christmas always falls on a Monday. Plus, it’s the same time everywhere on Earth.
February 29, 2016
Leap babies
If you’re born on a leap day, do you have birthdays only once every four years?
February 28, 2016
Black holes banish matter into cosmic voids
Using a computer simulation, astronomers probe the 'cosmic web' of the universe, its honeycomb-like structure on the largest scales.
February 28, 2016
Rare superbloom in California’s Death valley
Heavy autumn rains have transformed the barren landscape into riot of flowers not seen in decade. Have a look!
February 26, 2016
